Chemistry - Electrochemistry Question with Solution | TestHub

ChemistryElectrochemistryMiscellaneous/MixedEasy2 minPYQ_2020
ChemistryEasysingle choice

The temperature coefficient of the emf i.e., dE dt =0.00065  VK 1   for the cellCd|CdCl21M||AgCls|Agat 25 o C . Calculate the entropy changes ΔS298K for the cell reaction Cd+2AgCl Cd 2+ +2 Cl +2Ag .

Options:

Answer:
D
Solution:

ΔS=+nFdEdt
=2×96500×0.00065
=125.5 JK 1

Stream:NTA_ABHYASSubject:ChemistryTopic:ElectrochemistrySubtopic:Miscellaneous/Mixed
2mℹ️ Source: PYQ_2020

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